Yellow-legged Dance Fly vs Neavei Black Fly
Side-by-side species comparison
| Attribute | Yellow-legged Dance Fly | Neavei Black Fly |
|---|---|---|
| Scientific Name | Empis livida | Simulium neavei |
| Order | Diptera | Diptera |
| Family | Empididae | Simuliidae |
| Size | 7-10 mm | 2-3 mm |
| Habitat | Rivers & Streams | Forests |
| Diet | Nectar Feeders | Herbivores |
| Regions | Europe | East Africa, including Uganda, Tanzania, Kenya |
| Conservation | Least Concern | Least Concern |
Yellow-legged Dance Fly
A medium-sized dance fly with yellowish legs, a grayish body, and a distinctive long proboscis. It forms conspicuous mating swarms near streams and in sheltered clearings.
Did You Know?
In some dance fly species, males wrap worthless objects in silk to trick females into mating, a form of sexual deception.
Neavei Black Fly
A small black fly whose larvae uniquely attach to freshwater crabs rather than rocks or vegetation. It is a vector of river blindness in East Africa, particularly in forested areas. The association with crabs makes it vulnerable to control by removing the crab hosts.
Did You Know?
Eliminating the freshwater crabs that carry its larvae successfully eradicated onchocerciasis from parts of East Africa.